01168naa a2200181 a 450000100080000000500110000800800410001910000160006024500880007626000090016452006940017365000120086765000090087965000130088870000280090170000210092977300360095015697312006-09-20 1994 bl --- 0-- u #d1 aDURIGAN, G. aPhytosociology and structure of a frequently burnt cerrado vegetation in SE-Brazil. c1994 a"Cerrado" vegetation was studied in an area where frequent fires occur, at Itirapina, SP, Brazil (22o08'S, 47o47'W). The phytosociological study was carried out using the quadrat method, with a total sample area of 5200 m2, divided in thirteen 400m2 plots. All individuals whose basal stem perimeter were equal to or greater than 15 cm were measured and identified. The "cerrado" studied shows quite low diversity, compared to vegetation protected from fire action in neighboring areas. Only 44 species, grouped in 24 families, where found. Species, and even important families in neighboring areas, were not present in the burned area. This suggests they may have been eliminated by fire. aCerrado aFogo aQueimada1 aLEITÃO FILHO, H. de F.1 aRODRIGUES, R. R. tFloragv.189, p. 153-160, 1994.